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Finding the Fourth Proportional to 974,391, 1,344,565.08 and 611,698.92

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Solution

The fourth proportional to 974,391, 1,344,565.08 and 611,698.92 is: 844,085.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,391 : 1,344,565.08 = 611,698.92 : x
  2. Step 2: Convert to fraction form
    974,391/1,344,565.08 = 611,698.92/x
  3. Step 3: Cross multiply
    974,391x = 1,344,565.08 × 611,698.92
  4. Step 4: Simplify right side
    974,391x = 822,469,007,305.71
  5. Step 5: Solve for x
    x = 822,469,007,305.71/974,391
  6. Step 6: Final answer
    x = 844,085.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.